It has blog and forum packages, although the forum package uses an embedded nabble forum.
Blog: http://www.composite.net/Add-on-Market/Packages/Composite.Community.Blog
Forums: http://www.composite.net/Add-on-Market/Packages/Composite.Community.Forum.Nabble
You can view all the packages here: http://www.composite.net/Add-on-Market
Blog: http://www.composite.net/Add-on-Market/Packages/Composite.Community.Blog
Forums: http://www.composite.net/Add-on-Market/Packages/Composite.Community.Forum.Nabble
You can view all the packages here: http://www.composite.net/Add-on-Market